package com.hou.houlymall.product.exception;

import com.hou.common.exception.BizCodeEnum;
import com.hou.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * 集中处理所有异常
 * @author H
 * @create 2021-07-29 21:58
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.hou.houlymall.product.controller")
public class HoulymallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题{}，异常类型：{}",e.getMessage(),e.getClass());

        BindingResult bindingResult = e.getBindingResult();

        Map<String, String> map = new HashMap<>();
        // 1. 获取校验的错误结果
        bindingResult.getFieldErrors().forEach((item) -> {
            //FieldError 获取到错误提示
            String message = item.getDefaultMessage();
            //获取错误的属性的名字
            String field = item.getField();
            map.put(field, message);
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data", map);
    }


    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable) {
        log.error("错误：", throwable);
        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(), BizCodeEnum.UNKNOW_EXCEPTION.getMsg());
    }
}
